- Overview
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- Company Profile
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- FAQ
Basic Info.
Product Description
GYOUSAN is a highly experienced and professional manufacturer of customized casting and CNC machining parts based in Zhejiang. With over 36 years of expertise in machinery parts, we have established ourselves as a trusted partner for businesses seeking high-quality OEM parts.
Our metal foundry and CNC machining factory are equipped with modern and efficient machines, enabling us to produce your exclusive parts quickly and cost-effectively. We specialize in iron casting parts and have a deep understanding of design and material selection.
| Name | Casting and machining parts of OEM production - according to customer's drawing or sample |
| Material | Grey iron, Ductile iron, Carbon steel, Alloy steel, Stainless steel, Aluminum alloy, Copper, ect |
| Material standard | ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS |
| Available software | Drawings ,Auto CAD(IGS,DXF,DXF,DWG,STP, STEP,STL,X-T), Solid work, Unigraphics, PDF, etc |
| Process | Sand Casting, Shell Casting, Deburring, Sandblasting, Machining, Heat Treatment, Leakage test, Surface treatment, etc. |
| Surface treatment | Powder coating, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc. |
| Machine equipment | CNC lathe machine, Milling machine, Drilling machine, Grinding machine |
| Machine precision | Positioning accuracy 0.008 mm, Rep. position. accuracy 0.006 mm |
| Casting weight range | 0.1-5000 kg |
| Casting Size | Max linear size: 2600 mm, Max diameter size:2600 mm |
| Casting tolerance | CT5-CT8 |
| Service available | OEM & ODM |
| Sample | Aviailable |
| Quality control | 100% inspection before packing |
| Package | Bubble plastic bag, Polybag, Pallet, Wooden case, etc. |
| Application | Machine tool parts, CNC machine parts, Engine parts, Auto parts, Machinery parts, Rail train parts, Truck parts, Tractor parts, Valve, Pump,Construction equipment parts, Agricultural machinery parts, and other industrial fields. |
Customized design and production
Provide whole engineering solution, covering material, process, finish etc
Ductile iron(EN-GJS-400-18/450-10/500-7/600-3/700-2/800-2) and gray iron(EN-GJL-150/200/250/300/350) and so on.
Precision machining, diverse heat treatment process and rich surface treatment(Galvanized/Powder coating/KTL/Dacromet)
Further Production Process
1. Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on;
2. Heat Treatment: annealing, carbonization, tempering, quench, normalization and surface tempering
3. Surface treatment: Powder coating, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
Tooling & Mould:
1. Mould life: usually semi-permanent.
2. Tooling Leadtime: 15-25 days, depending on the structure and size.
3. Tooling & mould maintenance: Be responsible by GYOUSAN team.
Quality control:
1. Quality control: The defective products rate is less 0.1%.
2. Sample and pilot run will be given 100% inspection during production and before shipment, Sample check for mass production according to ISDO standard or customer requirements
3. Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine;
4. After-sales services are available.
5. Quality situation can be traceable.
OEM and ODM service
"No compromise" philosohpy in quality control.
20,000 tons per year of casting capacity, More than 36 years foundry history.
Zhejiang GYOUSAN has been an OEM manufacturer since 1987, specializing in casting parts and CNC machining parts. Our expertise lies in working with materials such as Grey iron, Ductile iron, Carbon steel, Alloy steel, Stainless steel, Aluminum alloy, Copper, and more. With extensive experience in producing and exporting metal parts, we have a professional team dedicated to both OEM and ODM projects.
GYOUSAN possesses in-house chemical and physical inspection equipment, including a carbon-silicon analyzer, spectrometer, digital display universal tension machine, induction and resistance furnaces. Our primary casting processes include sand casting for iron, aluminum, and brass parts, die casting for aluminum alloy and zinc alloy parts, and gravity casting and investment casting processes for aluminum, magnesium alloy, copper, steel, and other metal parts.
In addition to casting services, GYOUSAN offers customers a range of comprehensive services. Our various machining equipment can accommodate different precision machining requests, including NC lathes, CNC precision automatic lathes, vertical and horizontal CNC machine centers, CNC engraving machines, and 4-axis and 5-axis CNC machine centers. From sample development to mass production, we strictly control quality at every stage, from individual operators to our professional inspection team. Our workshop employs quality control tools such as CMM inspection, flow charts, control plans, PPAP, and CPK analysis to ensure the highest standards of quality for our iron casting parts.
GYOUSAN provides a comprehensive metal manufacturing OEM service, encompassing raw castings, machining, stamping, and a range of surface treatments. Our expertise extends to iron casting parts, and we welcome any inquiries regarding your specific requirements. Please do not hesitate to contact us for further information.
| CASTING EQUIPMENT LIST | ITEM | SPECIFICATION | Q'ty |
| Furnace | Medium Frequency Induction Furnace | 2Ton | 1Set |
| Medium Frequency Induction Furnace | 1Ton | 2Sets | |
| Low pressure Casting Machine | 3Ton | 1Set | |
| 0.5Ton | 1Set | ||
| Sand Mixer | Continuous Sand Mixer | 20Ton/Hr | 2Sets |
| Crane | O/H Crane | 10Ton | 1Sets |
| O/H Crane | 5Ton | 3Sets | |
| Crane | 5Ton | 3Sets | |
| Post Treatment | Shot Blasting | 8*5*4.5m | 1set |
| Coating & Drying Machine | 8*5.2*4.5m | 1set | |
| Heat treatment | 5T | 1set | |
| CNC MACHINE TOOL LIST | SPECIFICATION | Q'ty | |
| CNC lathe | CK6150/1000 | 5 | 10 |
| CK6166/1000 | 4 | ||
| CK6180/2000 | 1 | ||
| CNC Boring- Milling Machine | 855L | 5 | 7 |
| 1070 | 2 | ||
| CNC Boring Machine | 250 | 2 | 7 |
| 200 | 2 | ||
| 150 | 3 | ||
| CNC gantry machining center | 4225-600 | 1 | 2 |
| 57400-800 | 1 | ||
| TESTING EQUIPMENT LIST | ORIGINAL | Q'ty |
| Spectrum Analysis Tester | France | 1Set |
| Brinell hardness Tester | China | 4Sets |
| Metallographic Microscope | Japan | 1Set |
| Intelligent sand strength machine | China | 9Sets |
| Universal impact test machine | China | 2Sets |
| Sulfur Analysis tester | Germany | 2Sets |
| Tensile Tester | Japan | 2Sets |
| UT Flaw Detector | USA | 3Sets |
| MT Flaw Detector | USA | 3Sets |
1. What is your quotation element?
Design drawing (including material, weight, process, surface treatment, special requirements,etc.) or sample, order quantity.
2. Do you accept the 3D drawings?
We accept 3D drawings. Software for specification drawings: Auto CAD, Solid work
3. How long can I get the price?
Price will be quoted within 24 hours after we get your inquiry with detailed information.
4. What is your payment term?
Usually we use TT payment, and the prepayment proportion is determined according to the order quantity, but mold and sample cost need to be paid in advance.
5. What's your delivery time ?
The sample delivery time is generally about 10-30 days(including mold making time), and the order delivery period is determined by the order quantity.Normally, 15-40 days after receiving the advance.
6.What about your quality?
All of our products have good quality. Each casting is processed through our QC staff with inspection records for every shipment. To guarantee the correct material specification and right mechanical properties, we have chemical analysis equipment, hardness tester, and tensile strength machine.